Home / 2,612.88-3,919.44-1,846.80

Finding the Fourth Proportional to 2,612.88, 3,919.44 and 1,846.80

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Solution

The fourth proportional to 2,612.88, 3,919.44 and 1,846.80 is: 2,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.88 : 3,919.44 = 1,846.80 : x
  2. Step 2: Convert to fraction form
    2,612.88/3,919.44 = 1,846.80/x
  3. Step 3: Cross multiply
    2,612.88x = 3,919.44 × 1,846.80
  4. Step 4: Simplify right side
    2,612.88x = 7,238,421.79
  5. Step 5: Solve for x
    x = 7,238,421.79/2,612.88
  6. Step 6: Final answer
    x = 2,770.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.